ActiveNI055249Private limited companyBelfast

ATTO LIMITED

Significant control: Jacob Duursma (significant control), Stuart Michael Johnston (25–50%) and 4 more

Companies HouseCompanies House

From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms

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Registered activity: Business and domestic software development (SIC 62012). We’re building product and service lists for UK companies. Get this one when it’s ready.

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01

Summary

Generated from filed data · no estimates

ATTO LIMITED is an active private limited company (company number NI055249) incorporated on 20 May 2005, registered in Belfast. Its registered activity is business and domestic software development (SIC 62012). Latest small accounts cover the period ending 31 October 2025, showing net assets of £611k and cash of £491k, with 8 employees on average. Net assets rose 10% on the prior period (£557k).

Peer position · net assets

By net assets it sits in the top quarter of 609 comparable companies in Belfast (median £2,337, upper quartile £55k).

02

Ownership and control

6 active · 5 other
  • Mr Jacob Duursma
    Individual · since 18 May 2022
    • has significant influence or control
  • Mr Stuart Michael Johnston
    Individual · since 18 May 2022
    • owns 25–50% of shares
  • Mrs Heather Janette Kerr
    Individual · since 18 May 2022
    • has significant influence or control
  • Mrs Karys Rebecca Wilson
    Individual · since 18 May 2022
    • has significant influence or control
  • Mr Peter Kerr
    Individual · since 18 May 2022
    • has significant influence or control
  • Mrs Rachel Lydia Johnston
    Individual · since 2 October 2024
    • owns 25–50% of shares
  • Mrs Rachel Lydia Johnston
    Individual · since 6 April 2016 · ceased 17 May 2022
    • has significant influence or control
  • Mr Stuart Michael Johnston
    Individual · since 6 April 2016 · ceased 17 May 2022
    • has significant influence or control
  • Mrs Heather Janette Kerr
    Individual · since 6 April 2016 · ceased 17 May 2022
    • has significant influence or control
  • Mr Peter Kerr
    Individual · since 6 April 2016 · ceased 17 May 2022
    • has significant influence or control
  • Mrs Karys Rebecca Wilson
    Individual · since 6 April 2016 · ceased 17 May 2022
    • has significant influence or control

Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents. Directors and secretaries: see the officers list at Companies House.

03

Key dates

Incorporated
20 May 200521 yrs ago
Next accounts due
31 July 2027in 280 days
Confirmation statement due
3 June 2027in 222 days

Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.

04

Activity

SIC 62012
Business and domestic software development
SIC 62020
Information technology consultancy activities
SIC 62090
Other information technology service activities
SIC 73120
Media representation services
Accounts type
Total Exemption Full
Size band
MicroCompanies Act thresholds
05

Financials

2 periods on record · latest ending 31 October 2025
Net assets
£611k
+10%vs Oct 2024
Cash at bank
£491k
+13%vs Oct 2024
Turnover
Not reported
Employees
8
No changevs Oct 2024
Net assets
£611k
Cash at bank
£491k
Average employees
8
Filed accounts by period, newest first
Period endNet assetsCashDebtorsCreditors <1yTurnoverProfitEmployees
31 October 2025£611k£491k£156k£79k——8
31 October 2024£557k£436k£130k£51k——8
Current ratio8.34Current assets ÷ creditors within one year
Cash per employee£61kCash ÷ average employees

Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.

06

Filing and accounts signals

Facts from the register · no rating
  • Net assets above zeroNet assets £610,597 at 31 October 2025
  • Current assets at least 1.5× creditors within one yearCurrent ratio 8.34
  • Cash at bank of £50,000 or moreCash £490,786
  • Incorporated five or more years agoIncorporated 20 May 2005

Neutral facts read from the register and filed accounts, each with its evidence. They are not a rating, a prediction or advice, and may be incomplete or out of date. How each signal is derived.

07

Timeline

Newest first
  1. Next accounts duein 280 days
  2. Confirmation statement duein 222 days
  3. Accounts period endNet assets £611k · small accounts
  4. Accounts period endNet assets £557k · small accounts
  5. Incorporated
08

Similar companies in Belfast

Same activity (business and domestic software development), closest in incorporation date
09

Reminders for ATTO LIMITED

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Source: Companies House register, snapshot 2026-08-31; accounts from the Companies House accounts data product. Open Government Licence v3.0. View on Companies House. Methodology · About · Markdown.